groundless的音標為[?ɡra?ndles] ，基本翻譯為“無根據的；無基礎的”，速記技巧為“無地（ground）無（less）”。

Groundless這個詞來自拉丁語“terra”，意為土地或地面，加上前綴“unguis”，意為“無”或“沒有”。因此，groundless表示無根據的、無理由的。

變化形式：在英語中，groundless通常沒有變化。

相關單詞：

1. Infringement：侵權 - “infring”來自于“unguis”，意為“侵犯”，加上“ment”，表示行為或動作。因此，infringement指的是侵犯、侵害。

2. Absurd：荒謬的 - “absurd”直接來自于拉丁語“absurdus”，意為“荒誕的”。這個詞用來形容不合邏輯、不合理的行為或情況。

3. Groundbreaking：開創性的 - “groundbreaking”來自于“groundless”，表示開創性的、前所未有的。這個詞用來形容某項創新、突破性的成就。

4. Groundwork：基礎 - “groundwork”直接來自于“groundless”，表示基礎工作、準備工作。這個詞用來形容為某項工作或計劃所做的前期準備工作。

5. Groundhog Day：無望的一天 - “Groundhog Day”是一個俚語，源自于美國的一個民間傳說，指的是一個重復、無望的周期性事件。這個詞用來形容一個毫無變化、重復的局面。

6. Grounding：接地 - “grounding”來自于“groundless”，表示將電器設備接地，以防止電擊和保護電路。

7. Groundless speculation：無根據的猜測 - “speculation”來自于拉丁語“speculari”，意為觀察、猜測。這個詞用來形容沒有根據、沒有證據的猜測或推測。

8. Grounding wire：接地線 - “wire”表示電線，“grounding wire”就是接地電線，用于連接電氣設備與地線，以保護人員和設備的安全。

9. Ground-up：自下而上的 - “ground-up”表示自下而上的、手工制作的，常用于描述食品、藥品等產品的制作方式。

10. Groundswell：群眾支持 - “groundswell”來自于“groundless”，表示群眾的支持和響應，常用于形容某個運動、倡議等得到廣大群眾的支持和響應。

常用短語：

1. groundless suspicion 無根據的懷疑

2. groundless speculation 無根據的猜測

3. groundless fear 無根據的恐懼

4. groundless doubt 無根據的疑慮

5. groundless rumor 無根據的謠言

6. groundless speculation 毫無根據的猜測

7. groundless criticism 無根據的批評

雙語例句：

1. They accused him of corruption, but there was no evidence to support their groundless allegations.

他們指控他貪污，但沒有證據支持他們的無根據的指控。

2. The rumors about the company"s bankruptcy are groundless; the company has been doing well lately.

關于該公司破產的謠言是無根據的，該公司最近經營得很好。

3. We must not allow our emotions to lead us to groundless accusations against others.

我們不能讓我們的情緒導致我們無根據地指責別人。

英文小作文：

The importance of fact-checking in today"s society

In today"s fast-paced and information-rich world, it is easy for rumors and groundless claims to spread like wildfire online. However, without proper fact-checking, these claims can have a negative impact on individuals and society as a whole. Fact-checking is essential in maintaining a healthy and accurate picture of the world around us, and it is crucial to avoid groundless accusations and rumors that can cause harm and division.

By conducting thorough research and verifying information, we can better understand the truth behind various claims and rumors, and we can avoid being misled by unsubstantiated statements. Furthermore, fact-checking can help us to develop a more objective and rational approach to evaluating information, which can lead to more informed and responsible decision-making.

In conclusion, fact-checking plays a vital role in maintaining a healthy and accurate picture of the world around us. We must be skeptical of unsubstantiated claims and avoid groundless accusations, as they can cause harm and division. By conducting thorough research and verifying information, we can better understand the truth behind various claims and rumors, and we can avoid being misled by unsubstantiated statements.